protected virtual void CreateEvaluators()
{
_evaluators.Clear();
if (ShowExpr == null)
{
return;
}
if (EnvironmentExt.IsUnix())
{
// Ticket #86: temporarily disable it for Mono, because
// RuntimeCompile.Compile() does not work there.
return;
}
foreach (ExprFormatter spp in ShowExpr)
{
StringBuilder code = new StringBuilder();
code.Append("using System;\n");
code.Append("using System.Collections.Generic;\n");
code.Append("using ai.lib.algorithms.tree;\n");
code.Append("public unsafe class _Evaluator: ITextualizeTreeEval {\n");
code.Append(" public object Evaluate(object c, object oTree, object oStack, int d) {\n");
code.AppendFormat(" List<{0}> s = (List<{0}>)oStack;", _contextT);
code.AppendFormat(" {0} t = ({0})oTree;", _treeT);
code.AppendFormat(" return {0};\n", spp.Expr);
code.Append("}}");
Assembly asm = RuntimeCompile.Compile(code.ToString(), _compilerParameters);
Object evaluator = asm.CreateInstance("_Evaluator");
_evaluators[spp.Expr] = (ITextualizeTreeEval)evaluator;
}
}
public void Test_Evaluator()
{
CompilerParameters cp = new CompilerParameters();
cp.GenerateExecutable = false;
cp.GenerateInMemory = true;
cp.ReferencedAssemblies.Add("system.dll");
cp.ReferencedAssemblies.Add(Path.GetFileName(CodeBase.Get(Assembly.GetExecutingAssembly())));
string code = "using System; using ai.lib.utils.nunit;";
code += "public class _Evaluator {\n";
code += " public object Evaluate(RuntimeCompile_Test param) {\n";
code += " return param.Field1*3;\n";
code += " }}";
Assembly asm = RuntimeCompile.Compile(code, cp);
Object evaluator = asm.CreateInstance("_Evaluator");
MethodInfo mi = evaluator.GetType().GetMethod("Evaluate");
object result = mi.Invoke(evaluator, new object[] { this });
Assert.AreEqual(Field1 * 3, (int)result);
code = "using System; using ai.lib.utils.nunit;";
code += "public class _Evaluator {\n";
code += " public object Evaluate(RuntimeCompile_Test param) {\n";
code += " return param.FieldArr1[2] + 5;\n";
code += " }}";
asm = RuntimeCompile.Compile(code, cp);
evaluator = asm.CreateInstance("_Evaluator");
mi = evaluator.GetType().GetMethod("Evaluate");
result = mi.Invoke(evaluator, new object[] { this });
Assert.AreEqual(FieldArr1[2] + 5, (int)result);
}
